Build build = model.getBuild();

        if (build != null) {
            expand(build.getPlugins());

            PluginManagement pluginManagement = build.getPluginManagement();

            if (pluginManagement != null) {
                expand(pluginManagement.getPlugins());
            }
        }
    }

    private void expand(List<Plugin> plugins) {
        for (Plugin plugin : plugins) {

    <version>0.0.1-SNAPSHOT</version>
    <packaging>pom</packaging>

    <properties>
        <codehaus.groupId>org.codehaus.mojo</codehaus.groupId>
    </properties>

    <build>
        <pluginManagement>
            <plugins>
                <plugin>
                    <groupId>${codehaus.groupId}</groupId>
                    <artifactId>build-helper-maven-plugin</artifactId>

  <groupId>foo</groupId>
  <version>99.44</version>
  <packaging>bleh</packaging>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <artifactId>maven-from-pluginManagement-plugin</artifactId>
          <version>1.0</version>
        </plugin>
      </plugins>
    </pluginManagement>
    <plugins>
      <plugin>
        <artifactId>maven-from-plugins-plugin</artifactId>

    <name>Maven Integration Test :: Dummy Parent</name>

    <build>
        <pluginManagement>
            <plugins>
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>0.1</version>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>

            Build build = model.getBuild();
            if (build != null) {
                PluginManagement pluginManagement = build.getPluginManagement();
                if (pluginManagement != null) {
                    mergePluginContainerPlugins(build, pluginManagement);
                }
            }
        }

  <packaging>jar</packaging>
  <version>1.0</version>
  <name>project-with-additional-lifecycle-elements</name>
  <url>http://maven.apache.org</url>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-clean-plugin</artifactId>
          <version>0.1</version>
        </plugin>
        <plugin>

  <name>Maven Integration Test :: MNG-3906</name>
  <description>
    Test that project-level plugin dependencies are properly merged during inheritance.
  </description>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId>org.apache.maven.its.plugins</groupId>
          <artifactId>maven-it-plugin-class-loader</artifactId>
          <version>2.1-SNAPSHOT</version>

        assertViolations(result, 2, 0, 0);

        assertEquals(
                "'build.pluginManagement.plugins.plugin.(groupId:artifactId)' groupId of a plugin must be defined. ",
                result.getFatals().get(0));

        assertEquals(

  <artifactId>project-basic</artifactId>
  <version>1.0</version>
  <packaging>jar</packaging>

  <name>Test Project</name>
  <inceptionYear>2009</inceptionYear>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-clean-plugin</artifactId>
          <version>0.1</version>
        </plugin>
        <plugin>

  <modelVersion>4.0.0</modelVersion>

  <groupId>test</groupId>
  <artifactId>test</artifactId>
  <version>0.1-SNAPSHOT</version>
  <packaging>pom</packaging>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>2.1</version>
          <configuration>